117545-11-6 2,2-Dimethyl-4-(2-oxo-1(2H)-pyridyl)-2H-1-benzopyran-6-carbonitrile 2H-1-Benzopyran-6-carbonitrile, 2,2-dimethyl-4-(2-oxo-1(2H)-pyridinyl)- BIMAKALIM Bimakalim [INN] Bimakalimum [INN-Latin] Emd 52692